/Engine/Source/Runtime/Engine/Classes/Sound/SampleBufferIO.h
Loads aUSoundWave, call on game thread. Unless called with bSynchnous set to true, this class will requireUpdate()to be called on the game thread.
void LoadSoundWave ( [USoundWave](API\Runtime\Engine\Sound\USoundWave) * InSoundWave, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void(const [USoundWave](API\Runtime\Engine\Sound\USoundWave) *SoundWave, const [Audio::FSampleBuffer](API\Runtime\SignalProcessing\FSampleBuffer) &OutSampleBuffer)> OnLoaded, bool bSynchrounous )